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EM4450/EM4550 Chip RFID Card

The EM Marin EM4550 smart card is a low-frequency, contactless RFID card widely used in applications such as access control, time and attendance tracking, identity verification, and prepaid systems.

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Descripción

Key Technical Features:

Chip Model: EM4550, manufactured by EM Marin; classified as a Low-Frequency (LF) RFID chip.

Operating Frequency: 125 kHz; suitable for short-range identification environments.

Storage Capacity: 128 Bytes; supports Read/Write (R/W) operations.

Read/Write Performance:
Read/Write Distance: Approx. 5 cm (under standard desktop reader conditions).
Read/Write Time: Approx. 26 ms; features rapid response speed, making it suitable for high-frequency usage scenarios.

Durability Parameters:
Erase/Write Cycles: Exceeds 100,000 cycles; offers high reliability.
Data Retention Period: Up to 10 years.
Operating Temperature Range: -20°C to 55°C; adaptable to various climatic conditions.

Packaging Process:
Materials: PVC, PET, PETG, etc.; encapsulated using a high-temperature lamination process, ensuring structural stability.
Dimensions: Complies with ISO standard card dimensions (85.6 × 54 × 0.80 mm), facilitating universal deployment.

Power Supply: Passive design requires no internal battery, drawing power via electromagnetic induction from the card reader.

Product Parameters

EM4450 EM4550 Card
Material PVC, PET, PET-G, PC
Size CR80 standard 86×54mm
Printing Blank Card, or Customized Printing
Thickness 0.8mm–0.9mm, 1.8mm
Chip EM4450 / EM4550
Working Frequency 125 KHz
Interface RFID
Protocol ISO 18000-2, ISO 11784/85
EEPROM 32-bit UID, 1K-bit EEPROM
Reading Distance 0–10 cm
Function Read & Write
Compatible Chip EM4450 / EM4550
Life Time >100,000 read/write cycles, >10 years
Applications Ticket Card/Tag
Membership Card
Casino Card
Hotel Key Card
Fuel card
Cashless Payment Card
Access control card
Public Transportation Card, etc

Main Applications

Due to its high stability, low cost, and strong compatibility, the EM4550 card is widely utilised in the following scenarios:
.Access Control and Time & Attendance Systems
Serving as employee badges or resident cards, they facilitate access management and attendance tracking within enterprises, residential communities, and office buildings.

. Identity Verification
Used for identity authentication in organisations such as schools, government agencies, and clubs, supporting “all-in-one card” system integration.

. Prepayment and Consumption Systems
Applied in scenarios involving prepaid water meters, public transport stored-value cards, parking fee collection, park ticketing, and more.

. Industrial and Asset Management
Can be customised as metal-mount tags or laundry button tags (resistant to temperatures up to 150°C) for use in equipment tracking or linen management.

. Membership Management
Serving as membership cards for shopping malls, gyms, and dining establishments, supporting features such as loyalty points and transaction history tracking.

Application areas of EM4450 EM4550 cards

Customization Capabilities

Optional Configurations and Customisation Capabilities

Supports a wide variety of card types: standard cards, irregular-shaped cards, watch-style cards, ABS coin cards, crystal epoxy cards, and more.
Can be combined with multiple technologies—such as magnetic stripes, barcodes, and IC chips—to enhance functional integration.
Offers a rich array of surface finishes and processes: supports personalised customisation options including offset printing, screen printing, UV printing, hot stamping, laser encoding, and more.

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